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Atty. William Bernstein

Atty. William Bernstein

William Bernstein has practiced law for more than three decades. Who’s Who Legal called him, “a leader in the plaintiffs’ bar in the fields of complex civil litigation, antitrust , and consumer protection law.” Notable cases Bill has litigated include price-fixing suits against pharmaceutical companies on behalf of retail pharmacies, consumer claims against the world’s largest vitamin manufacturers for crafting a global “vitamins cartel,” charges against natural gas and energy companies for manipulating the price of natural gas and electricity in California during the California energy crisis

San Francisco San Francisco 51 yrs experience 51 year
Call (415) 956-1000 Book Appointment

Profile Summary

About William Bernstein at a glance

William Bernstein is an attorney based in San Francisco, California, practforg at Lieff Cabraser Heimann & Bernstein LLP. They haand 51+ years of legal experience, licensed to practice since 1975. Admitted to practice in California, The State Bar of California (1975) and New York, New York State Bar Association (1985). Educated at University of San Francisco (J.D., 1975) and University of Pennsylvania (B.A., 1972). Recognitions include Best Lawyers in America — Consumer Protection Law (2026), Best Lawyers in America — Litigation - Antitrust (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Bernstein has practiced law for more than three decades
  • Who’s Who Legal called him, “a leader in the plaintiffs’ bar in the fields of complex civil litigation, antitrust, and consumer protection law.” Notable cases Bill has litigated include price-fixing suits against pharmaceutical companies on behalf of retail pharmacies, consumer claims against the world’s largest vitamin manufacturers for crafting a global “vitamins cartel,” charges against natural gas and energy companies for manipulating the price of natural gas and electricity in California during the California energy crisis of 2000-2001, and qui tam claims against the Sutter hospital system for anesthesia service overcharges
  • These cases, in total, resulted in over $1.3 billion in settlements for consumers and businesses
  • Bill also oversaw negotiations in the landmark settlement and injunction against De Beers for monopolizing the trade of rough diamonds in the U.S. for nearly 60 years
  • As featured in the 2008 Plaintiffs Hot List, The National Law Journal wrote, The plaintiffs’ firms’ pluck, and some luck, resulted in a $295 million settlement for De Beers’ customers [and] secured De Beers’ pledge to abide by federal and state antitrust laws and accept court oversight to ensure compliance
  • Bill taught settlement law as an Adjunct Professor of Law at the University of San Francisco
  • Bill has been repeatedly recognized as a “Super Lawyer for Northern California” by Super Lawyers magazine

Jurisdictional Context

Why local counsel matters in California

Practforg law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in San Francisco are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.

Frequently Asked

Common questions about William Bernstein

Where is William Bernstein's law office located?
William Bernstein's law practice is located in San Francisco, California. The firm is Lieff Cabraser Heimann & Bernstein LLP. You can contact the office directly through this profile page.
How long has William Bernstein practiced law?
William Bernstein has 51+ years of legal experience and has been licensed since 1975.
Where did William Bernstein go to law school?
William Bernstein earned their education at (J.D., 1975); (B.A., 1972).
How can I contact William Bernstein for a consultation?
You can contact William Bernstein directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has William Bernstein receiandd?
William Bernstein's notable recognition includes: Best Lawyers in America — Consumer Protection Law; Best Lawyers in America — Litigation - Antitrust; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Antitrust Law; Best Lawyers in America — Awards:.

Education

J.D.
University of San Francisco
- 1975
B.A.
University of Pennsylvania
- 1972

Awards

Best Lawyers in America — Consumer Protection Law
- 2026
Best Lawyers in America — Litigation - Antitrust
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Antitrust Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — AV Preeminent Peer Review Rated, Martindale-Hubbell
- 2026
Best Lawyers in America — California Litigation Star, Benchmark Plaintiff (ranked as one of California's leading litigators in antitrust law)
- 2026
Best Lawyers in America — “Recommended Lawyer – Competition: Plaintiff,” Lexology Index 2025
- 2026
Best Lawyers in America — Selected for inclusion by peers in The Best Lawyers in America in field of "Litigation - Antitrust," 2013 - 2026
- 2026
Best Lawyers in America — "Northern California Super Lawyer," Super Lawyers, 2004-2025
- 2026
Best Lawyers in America — "Consumer Attorney of the Year Finalist," Consumer Attorneys of California, 2014
- 2026
Best Lawyers in America — Top Attorneys In Antitrust Law, Super Lawyers Corporate Counsel Edition, 2010, 2012
- 2026
Best Lawyers in America — Lawdragon Finalist, Lawdragon, 2009-2011
- 2026
Best Lawyers in America — Princeton Premier Registry, Business Leaders and Professionals, 2008-2009
- 2026
Best Lawyers in America — Top 100 Trial Lawyers in California, American Trial Lawyers Association, 2008
- 2026
Best Lawyers in America — Who's Who Legal, 2007
- 2026
Best Lawyers in America — Unsung Hero Award, Appleseed, 2006
- 2026

Bar Admissions

California, The State Bar of California
Admitted: 1975
New York, New York State Bar Association
Admitted: 1985

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